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English definition of “JPEG”

JPEG

noun uk   /ˈdʒeɪ.peɡ/ us  
[U] abbreviation for joint photographic experts group: a system for reducing the size of electronic image files: JPEG can reduce files to five percent of their original size. [C] a type of computer file that contains pictures or photographs: a JPEG file Sam sent me a JPEG of her family having Christmas dinner, but I can't open it.
(Definition of JPEG from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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